layui.define(['form'], function(experts) {
    Object.prototype.areas = {
        province: undefined,
        city: undefined,
        area: undefined,
        selected: function(o) {
            this.province = typeof o.province != 'undefined' ? o.province : this.province;
            this.city = typeof o.city != 'undefined' ? o.city : this.city;
            this.area = typeof o.area != 'undefined' ? o.area : this.area;
            return this;
        },
        render: function() {
            console.info(123);
        }
    };
    experts('test', {});
});
